package com.boang.time;

import java.time.ZoneId;
import java.util.Set;

/*
    @author:sa
    @date:2024/11/22 10:55
*/
public class ZoneldDemo {
    public static void main(String[] args) {
        System.out.println(ZoneId.systemDefault());
        Set<String> set=ZoneId.getAvailableZoneIds();
        System.out.println(set);
    }
}